Patents by Inventor Tsukasa Kamakura

Tsukasa Kamakura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9732421
    Abstract: There is provided a substrate processing apparatus. The substrate processing apparatus includes a processing space configured to process a substrate placed on a substrate receiving surface on a substrate support, a gas supply system configured to supply gases into the processing space from the opposite side of the substrate receiving surface, an exhaust buffer chamber including a communication hole communicating with the processing space at least at a side portion of the processing space and a gas flow blocking wall extending in a blocking direction of the gases flowing through the communication hole, and a first heating element configured to heat the exhaust buffer chamber.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 15, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Tsukasa Kamakura
  • Patent number: 9673043
    Abstract: There is provided a technique including: (a) forming a thin film containing a predetermined element, oxygen and carbon on a substrate by performing a cycle a predetermined number of times, the cycle including: (a-1) supplying a source gas containing the predetermined element, carbon and a halogen element having a chemical bond between the predetermined element and carbon to the substrate; (a-2) supplying an oxidizing gas to the substrate; and (a-3) supplying a catalytic gas to the substrate; (b) removing a first impurity from the thin film by thermally processing the thin film at a first temperature higher than a temperature of the substrate in (a); and (c) removing a second impurity different from the first impurity from the thin film by thermally processing the thin film at a second temperature equal to or higher than the first temperature after performing (b).
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: June 6, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki Noda, Shingo Nohara, Satoshi Shimamoto, Hiroshi Ashihara, Takeo Hanashima, Yoshiro Hirose, Tsukasa Kamakura
  • Patent number: 9640387
    Abstract: A technique includes loading a substrate into a process chamber, supporting the substrate by a mounting table having a heater therein in the process chamber, forming a film on the substrate by supplying a processing gas into the process chamber in a state where the mounting table having the substrate supported thereon is disposed in a first position and the heater is turned on, unloading the substrate on which the film is formed, and supplying a reactive gas into the process chamber in a state where the mounting table is disposed in a second position and the heater is turned on. The second position is closer to a ceiling portion in the process chamber than the first position.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: May 2, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji Yamamoto, Tsukasa Kamakura, Yoshiro Hirose, Satoshi Shimamoto
  • Publication number: 20170029945
    Abstract: A substrate processing apparatus is disclosed. The substrate processing apparatus includes a gas supply system which supplies a gas into a process chamber, an exhaust system which discharges the gas existing within the process chamber; and a gas supply pipe which supplies the gas into the process chamber via holes, and disposed inside the process chamber, where one end of the gas supply pipe is connected to the gas supply system, the other end of the gas supply pipe is connected to the exhaust system via a pipeline outside the process chamber.
    Type: Application
    Filed: July 27, 2016
    Publication date: February 2, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Tsukasa KAMAKURA
  • Publication number: 20170018419
    Abstract: A method of manufacturing: a semiconductor device includes fanning an oxide film containing a metal element on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor containing a metal element and a halogen group to the substrate; and supplying an oxidant to the substrate. In the act of supplying the oxidant, a catalyst is supplied to the substrate together with the oxidant. In the act of supplying the precursor, the catalyst is not supplied to the substrate.
    Type: Application
    Filed: March 13, 2014
    Publication date: January 19, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takuro USHIDA, Tsukasa KAMAKURA, Yoshiro HIROSE, Kimihiko NAKATANI
  • Publication number: 20170004961
    Abstract: An oxide film is formed on a substrate by performing a cycle a predetermined number of times. The cycle includes: continuously performing supplying in advance an oxidant to a substrate in a process chamber and simultaneously supplying the oxidant and a precursor to the substrate in the process chamber, without having to purge an interior of the process chamber between the act of supplying in advance the oxidant and the act of simultaneously supplying the oxidant and the precursor; stopping the supply of the oxidant and the precursor to the substrate in the process chamber and purging the interior of the process chamber; and supplying the oxidant to the substrate in the purged process chamber.
    Type: Application
    Filed: September 16, 2016
    Publication date: January 5, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takuro USHIDA, Tsukasa KAMAKURA, Hiroshi ASHIHARA, Kimihiko NAKATANI
  • Patent number: 9520282
    Abstract: A method of manufacturing a semiconductor device is provided. The method includes treating a surface of an insulating film formed on a substrate by supplying a first gas containing a halogen group to the substrate, and forming a thin film containing a predetermined element on the treated surface of the insulating film by performing a cycle a predetermined number of times. The cycle includes supplying a second gas containing the predetermined element and a halogen group to the substrate, and supplying a third gas to the substrate.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuyoshi Harada, Yoshiro Hirose, Tsukasa Kamakura, Atsushi Sano, Yugo Orihashi
  • Publication number: 20160322212
    Abstract: A film where a first layer and a second layer are laminated is formed on a substrate by performing: forming the first layer by performing a first cycle a predetermined number of times, the first cycle including non-simultaneously performing: supplying a source to the substrate, and supplying a reactant to the substrate, under a first temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively; and forming the second layer by performing a second cycle a predetermined number of times, the second cycle including non-simultaneously performing: supplying the source to the substrate, and supplying the reactant to the substrate, under a second temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively, the second temperature being different from the first temperature.
    Type: Application
    Filed: March 30, 2016
    Publication date: November 3, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tsukasa KAMAKURA, Takaaki NODA, Yoshiro HIROSE
  • Patent number: 9472391
    Abstract: A semiconductor device manufacturing method includes forming a thin film containing silicon, oxygen, carbon and a specified Group III or Group V element on a substrate by performing a cycle a predetermined number of times. The cycle includes: supplying a precursor gas containing silicon, carbon and a halogen element and having an Si—C bonding and a first catalytic gas to the substrate; supplying an oxidizing gas and a second catalytic gas to the substrate; and supplying a modifying gas containing the specified Group III or Group V element to the substrate.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 18, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi Shimamoto, Yoshiro Hirose, Atsushi Sano, Tsukasa Kamakura, Takaaki Noda
  • Patent number: 9455137
    Abstract: An insulating film including characteristics such as low permittivity, a low etching rate and a high insulation property is formed. Supplying a gas containing an element, a carbon-containing gas and a nitrogen-containing gas to a heated substrate in a processing vessel to form a carbonitride layer including the element, and supplying the gas containing the element and an oxygen-containing gas to the heated substrate in the processing vessel to form an oxide layer including the element are alternately repeated to form on the substrate an oxycarbonitride film having the carbonitride layer and the oxide layer alternately stacked therein.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: September 27, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshiro Hirose, Yushin Takasawa, Tsukasa Kamakura, Yoshinobu Nakamura, Ryota Sasajima
  • Patent number: 9449813
    Abstract: Provided is a method of manufacturing a semiconductor device, which is capable of increasing the controllability of the concentration of carbon in a film by increasing the yield when a boron carbonitride film or a boron nitride film is formed. The method includes forming a film containing boron, carbon and nitrogen or a film containing boron and nitrogen on the substrate by performing, a predetermined number of times, a cycle including supplying a source gas consisting of boron and a halogen element to a substrate and supplying a reactive gas consisting of carbon, nitrogen and hydrogen to the substrate.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: September 20, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi Sano, Yoshiro Hirose, Tsukasa Kamakura
  • Publication number: 20160233085
    Abstract: A film containing a prescribed element and carbon is formed on a substrate, by performing a cycle a prescribed number of times, the cycle including: supplying an organic-based source containing a prescribed element and a pseudo catalyst including at least one selected from the group including a halogen compound and a boron compound, into a process chamber in which the substrate is housed, and confining the organic-based source and the pseudo catalyst in the process chamber; maintaining a state in which the organic-based source and the pseudo catalyst are confined in the process chamber; and exhausting an inside of the process chamber.
    Type: Application
    Filed: September 27, 2013
    Publication date: August 11, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Daigo YAMAGUCHI, Tsukasa KAMAKURA, Hiroshi ASHIHARA, Tsuyoshi TAKEDA, Taketoshi SATO
  • Publication number: 20160211135
    Abstract: There is provided a technique including: (a) forming a thin film containing a predetermined element, oxygen and carbon on a substrate by performing a cycle a predetermined number of times, the cycle including: (a-1) supplying a source gas containing the predetermined element, carbon and a halogen element having a chemical bond between the predetermined element and carbon to the substrate; (a-2) supplying an oxidizing gas to the substrate; and (a-3) supplying a catalytic gas to the substrate; (b) removing a first impurity from the thin film by thermally processing the thin film at a first temperature higher than a temperature of the substrate in (a); and (c) removing a second impurity different from the first impurity from the thin film by thermally processing the thin film at a second temperature equal to or higher than the first temperature after performing (b).
    Type: Application
    Filed: March 30, 2016
    Publication date: July 21, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki NODA, Shingo NOHARA, Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Takeo HANASHIMA, Yoshiro HIROSE, Tsukasa KAMAKURA
  • Patent number: 9378943
    Abstract: An insulating film including characteristics such as low permittivity, a low etching rate and a high insulation property is formed. Supplying a gas containing an element, a carbon-containing gas and a nitrogen-containing gas to a heated substrate in a processing vessel to form a carbonitride layer including the element, and supplying the gas containing the element and an oxygen-containing gas to the heated substrate in the processing vessel to form an oxide layer including the element are alternately repeated to form on the substrate an oxycarbonitride film having the carbonitride layer and the oxide layer alternately stacked therein.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: June 28, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshiro Hirose, Yushin Takasawa, Tsukasa Kamakura, Yoshinobu Nakamura, Ryota Sasajima
  • Publication number: 20160155634
    Abstract: A method of manufacturing a semiconductor device includes forming a thin film having excellent etching resistance and a low dielectric constant on a substrate, removing first impurities containing H2O and Cl from the thin film by heating the thin film at a first temperature higher than a temperature of the substrate in the forming of the thin film, and removing second impurities containing a hydrocarbon compound (CxHy-based impurities) from the thin film in which heat treatment is performed at the first temperature by heating the thin film at a second temperature equal to or higher than the first temperature.
    Type: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Inventors: Satoshi SHIMAMOTO, Takaaki NODA, Takeo HANASHIMA, Yoshiro HIROSE, Hiroshi ASHIHARA, Tsukasa KAMAKURA, Shingo NOHARA
  • Patent number: 9349586
    Abstract: A thin film having excellent etching resistance and a low dielectric constant is described. A method of manufacturing a semiconductor device includes forming a thin film on a substrate, removing first impurities containing H2O and Cl from the thin film by heating the thin film at a first temperature higher than a temperature of the substrate in the forming of the thin film, and removing second impurities containing a hydrocarbon compound (CxHy-based impurities) from the thin film in which heat treatment is performed at the first temperature by heating the thin film at a second temperature equal to or higher than the first temperature.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: May 24, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Satoshi Shimamoto, Takaaki Noda, Takeo Hanashima, Yoshiro Hirose, Hiroshi Ashihara, Tsukasa Kamakura, Shingo Nohara
  • Publication number: 20160060755
    Abstract: There is provided a substrate processing apparatus. The substrate processing apparatus includes a processing space configured to process a substrate placed on a substrate receiving surface on a substrate support, a gas supply system configured to supply gases into the processing space from the opposite side of the substrate receiving surface, an exhaust buffer chamber including a communication hole communicating with the processing space at least at a side portion of the processing space and a gas flow blocking wall extending in a blocking direction of the gases flowing through the communication hole, and a first heating element configured to heat the exhaust buffer chamber.
    Type: Application
    Filed: March 27, 2015
    Publication date: March 3, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Tsukasa KAMAKURA
  • Publication number: 20160064219
    Abstract: A technique includes loading a substrate into a process chamber, supporting the substrate by a mounting table having a heater therein in the process chamber, forming a film on the substrate by supplying a processing gas into the process chamber in a state where the mounting table having the substrate supported thereon is disposed in a first position and the heater is turned on, unloading the substrate on which the film is formed, and supplying a reactive gas into the process chamber in a state where the mounting table is disposed in a second position and the heater is turned on. The second position is closer to a ceiling portion in the process chamber than the first position.
    Type: Application
    Filed: August 28, 2015
    Publication date: March 3, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji YAMAMOTO, Tsukasa KAMAKURA, Yoshiro HIROSE, Satoshi SHIMAMOTO
  • Publication number: 20160013044
    Abstract: An insulating film including characteristics such as low permittivity, a low etching rate and a high insulation property is formed. Supplying a gas containing an element, a carbon-containing gas and a nitrogen-containing gas to a heated substrate in a processing vessel to form a carbonitride layer including the element, and supplying the gas containing the element and an oxygen-containing gas to the heated substrate in the processing vessel to form an oxide layer including the element are alternately repeated to form on the substrate an oxycarbonitride film having the carbonitride layer and the oxide layer alternately stacked therein.
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshiro Hirose, Yushin Takasawa, Tsukasa Kamakura, Yoshinobu Nakamura, Ryota Sasajima
  • Patent number: 9190298
    Abstract: A method of manufacturing a semiconductor device is provided. The method includes treating a surface of an insulating film formed on a substrate by supplying a first precursor including a predetermined element and a halogen group to the substrate, and forming a thin film including the predetermined element on the treated surface of the insulating film by performing a cycle a predetermined number of times. The cycle includes supplying a second precursor including the predetermined element and the halogen group to the substrate, and supplying a third precursor to the substrate.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: November 17, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuyoshi Harada, Yoshiro Hirose, Tsukasa Kamakura, Atsushi Sano, Yugo Orihashi